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AutoCodes - Generic - P1656

P1656 Code - Oil Control Valve Circuit Malfunction

- Code Popularity: 27,005 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1656?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Oil Control Valve (OCV)
  • Oil Control Valve (OCV) harness is open or shorted
  • Oil Control Valve (OCV) circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC P1656?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1656 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

Open or short in oil control valve circuit

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No start

Code P1656 Description

Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. The Engine Control Module (ECM) controls Oil Control Valve (OCV) to make the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes relative position between the camshaft and the crankshaft.

OBDII Code P1656 - Oil Control Valve Circuit Malfunction - AutoCodes.com
P1656 Code - Oil Control Valve Circuit Malfunction

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Code P1656 comments

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